Zona-free hamster oocyte sperm pentration assay and DNA integrity monitoring in IVF-ET
WANG-li, ZHANG Xue-hong, LIU Jin-rong
Carcinogenesis, Teratogenesis & Mutagenesis . 2010, (1): 43 -0047 .  DOI: 10.3969/j.issn.1004-616x.2010.01.011